Suppose a rock is dropped off a cliff with an initial speed of 0 m/s. what is
the rock's speed after 3 seconds, in m/s, if it encounters no air resistance?

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology

Consider a u-tube whose arms are open to the atmosphere. now equal volumes of water and light oil (ρ = 49.3 lbm/ft3) are poured from different arms. a person blows from the oil side of the u-tube until the contact surface of the two fluids moves to the bottom of the u-tube, and therefore, the liquid levels in the two arms are the same. if the fluid height in each arm is 30 in, determine the gage pressure exerted by the person on the oil by blowing.

Suppose you hit your hand against the edge of table. using newton’s third law of motion why does my hand hurt? explain